The great thing about what Frostheim used to do was back everything he said with in game testing. He would use
Zeherahs site, back of the napkin math and in game testing to produce his results. He still puts out BiS list, rotations, builds and what not but hasn't raided since the first tier of this expansion where he only downed the first couple bosses. This means he can't test his conclusion because he doesn't have the gear. The more tiers that go by the more he can't test for weird thing that actual happen in game with higher level of haste, crit and what not. This seem like it would make his results unreliable by his own words - especially during the whole armor pen debate he wrote in depth about not relying solely spreadsheets.
I read WHU since the second month it was a site it had/has good info. So I know he never was ahead of the curve when it came to progression. But he'd have the appropriate gear though when he wrote about stuff
Fan boys and anti-fans please refrain from commenting. It that add nothing to the discussion that frost saved you from being a melee hunter or cuz your jealous and hate him cuz hes popluar and not a hardcore raider